/*
 * Copyright (C) 2003 Robert Shearman
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

typedef struct _riffchunk
{
    FOURCC fcc;
    DWORD cb;
} RIFFCHUNK, * LPRIFFCHUNK;

typedef struct _rifflist
{
    FOURCC fcc;
    DWORD cb;
    FOURCC fccListType;
} RIFFLIST, * LPRIFFLIST;

#define RIFFROUND(cb) ((cb) + ((cb)&1))
#define RIFFNEXT(pChunk) (LPRIFFCHUNK)((LPBYTE)(pChunk)+sizeof(RIFFCHUNK)+RIFFROUND(((LPRIFFCHUNK)pChunk)->cb))

/* flags for dwFlags member of AVIMAINHEADER */
#define AVIF_HASINDEX       0x00000010
#define AVIF_MUSTUSEINDEX   0x00000020
#define AVIF_ISINTERLEAVED  0x00000100
#define AVIF_TRUSTCKTYPE    0x00000800
#define AVIF_WASCAPTUREFILE 0x00010000
#define AVIF_COPYRIGHTED    0x00020000

typedef struct _avimainheader
{
    FOURCC fcc;
    DWORD cb;
    DWORD dwMicroSecPerFrame;
    DWORD dwMaxBytesPerSec;
    DWORD dwPaddingGranularity;
    DWORD dwFlags;
    DWORD dwTotalFrames;
    DWORD dwInitialFrames;
    DWORD dwStreams;
    DWORD dwSuggestedBufferSize;
    DWORD dwWidth;
    DWORD dwHeight;
    DWORD dwReserved[4];
} AVIMAINHEADER;

typedef struct _aviextheader
{
    FOURCC fcc;
    DWORD cb;
    DWORD dwGrandFrames;
    DWORD dwFuture[61];
} AVIEXTHEADER;


/* flags for dwFlags member of AVISTREAMHEADER */
#define AVISF_DISABLED         0x00000001
#define AVISF_VIDEO_PALCHANGES 0x00010000

typedef struct _avistreamheader
{
    FOURCC fcc;
    DWORD cb;
    FOURCC fccType;
    FOURCC fccHandler;
    DWORD dwFlags;
    WORD wPriority;
    WORD wLanguage;
    DWORD dwInitialFrames;
    DWORD dwScale;
    DWORD dwRate;
    DWORD dwStart;
    DWORD dwLength;
    DWORD dwSuggestedBufferSize;
    DWORD dwQuality;
    DWORD dwSampleSize;
    struct
    {
        short int left;
        short int top;
        short int right;
        short int bottom;
    } rcFrame;
} AVISTREAMHEADER;

/* flags for dwFlags member of _avioldindex_entry */
#define AVIIF_LIST       0x00000001
#define AVIIF_KEYFRAME   0x00000010
#define AVIIF_NO_TIME    0x00000100
#define AVIIF_COMPRESSOR 0x0FFF0000

typedef struct _avioldindex
{
    FOURCC fcc;
    DWORD cb;
    struct _avioldindex_entry
    {
        DWORD dwChunkId;
        DWORD dwFlags;
        DWORD dwOffset;
        DWORD dwSize;
    } aIndex[0];
} AVIOLDINDEX;

typedef union _timecode
{
    struct
    {
        WORD wFrameRate;
        WORD wFrameFract;
        LONG cFrames;
    } DUMMYSTRUCTNAME;
    DWORDLONG qw;
} TIMECODE;

#define TIMECODE_RATE_30DROP 0

/* flags for dwSMPTEflags member of TIMECODEDATA */
#define TIMECODE_SMPTE_BINARY_GROUP 0x07
#define TIMECODE_SMPTE_COLOR_FRAME  0x08

typedef struct _timecodedata
{
    TIMECODE time;
    DWORD dwSMPTEflags;
    DWORD dwUser;
} TIMECODEDATA;

#define AVI_INDEX_OF_INDEXES      0x00
#define AVI_INDEX_OF_CHUNKS       0x01
#define AVI_INDEX_OF_TIMED_CHUNKS 0x02
#define AVI_INDEX_OF_SUB_2FIELD   0x03
#define AVI_INDEX_IS_DATA         0x80

#define AVI_INDEX_SUB_DEFAULT     0x00
#define AVI_INDEX_SUB_2FIELD      0x01

typedef struct _avimetaindex
{
    FOURCC fcc;
    UINT cb;
    WORD wLongsPerEntry;
    BYTE bIndexSubType;
    BYTE bIndexType;
    DWORD nEntriesInUse;
    DWORD dwChunkId;
    DWORD dwReserved[3];
    DWORD adwIndex[0];
} AVIMETAINDEX;

/* FIXME: index structures missing */